<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			* {
				margin: 0;
				padding: 0;
			}
			.top,
			.banner,
			.main,
			.footer {
				width: 960px;
				text-align: center;
				margin: 0 auto;
				margin-bottom: 10px;
				border: 1px dashed #CCC;
			}
			.top {
				height: 80px;
				background-color: pink;			
			}
			.banner {
				height: 120px;
				background-color: purple;
			}
			.main {
				height: 500px;
				background-color: hotpink;
			}
			.footer {
				height: 200px;
				background-color: skyblue;
			}
		</style>
	</head>
	<body>
		<div class="top">top</div>
		<div class="banner">banner</div>
		<div class="main">main</div>
		<div class="footer">footer</div>
	</body>
</html>
